<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
    <script src="./js/vue.js"></script>
    <style>
        #app {
            border: 2px solid black;
            padding: 10px;
            margin-bottom: 400px;
        }

        .child {
            margin: 20px;
            padding: 10px;
            background-color: #cccccc;
        }
    </style>

</head>
<body>
    <div id="app">
        <h3>父组件范围</h3>
        <child-one></child-one>
        <child-two></child-two>
    </div>

    <template id="ChildOne">
        <div class="child">
            <h3>子组件one</h3>
            <p>info:{{ info }}</p>
            <input type="text" v-model="info">
            <hr>
            <p>msg:{{ msg }}</p>
            <input type="text" v-model="msg">
        </div>
    </template>
    <template id="ChildTwo">
        <div class="child">
            <h3>子组件two</h3>
            <p>info:{{ info }}</p>
            <input type="text" v-model="info">
            <hr>
            <p>msg:{{ msg }}</p>
            <input type="text" v-model="msg">
        </div>
    </template>
</body>
<script>
    var state = Vue.observable({
        msg:"字符串",
        num:100,
        flag:true,
        user:{
            name:"Tom"
        },
        arr:[1,2,3]
    })
    Vue.mixin({
        computed: {
            msg :{
                get(){
                    return this.$state.msg
                },
                set(nv){
                    this.$state.msg = nv
                }
            }
        },
        created() {
            console.log(this);
            this.$state = state;
        },
    })

    Vue.component("ChildOne",{
        template:"#ChildOne",
        data(){
            return{
                info : state.msg
            }
        }
    });
    Vue.component("ChildTwo",{
        template:"#ChildTwo",
        data(){
            return {
                info :state.msg
            }
        }
    })
    var vm = new Vue({
        el:"#app"
    })
</script>
</html>